You can’t have copy without keywords though, at least online. This week, we found several keyword research-related blogs to offer in our weekly PPC roundup, and an assortment of other helpful resources to help you in your search engine pursuits.

First off, ViperChill.com has provided an extensive keyword research guide, covering everything from long-tail keywords to Google analytics. This post is a collection of a couple of different keyword research guides geared toward bloggers and affiliate marketers melded into one.

The Rimm-Kaufman group answers the question, “When should you delete a low traffic keyword?” in their post, discussing factors such as quality score and account age. You may find yourself thinking twice before deleting keywords with low clicks.